Section 19(b) in The Oil Industry Development Board Staff Provident Fund Rules, 2013
(b)if no such nomination in favour of a member or members of the family of the subscriber subsists, or if such nomination relates only to a part of the amount standing to his credit in the Fund, the whole amount or the part thereof to which the nomination does not relate, as the case may be, shall, notwithstanding any nomination purporting to be in favour of any person or persons other than a member or members of his family, become payable to the members of his family in equal shares:
